High pass filter transfer function

[Maca1]

I'm having trouble seeing how both of these are equal.

1/(1+1/jwCR) = 1/(1-jWp/W)    where wP = 1/CR

I just can't figure out where that minus came from?

Can anyone explain this please?

 

[Maca1]

Yeah, thanks!

 

[prateeksikka]

just an update .dont forget  theres no negative resistance its imaginary.......part only